Author and bee naturalist

Planetary astronomer, SETI

Writer, journalist and filmmaker

Fighting for sharks: Director and documentary filmmaker Rob Stewart spent four years traveling the world as chief photographer for the Canadian Wildlife Federation's magazines. His film, Sharkwater, broke documentary box office records in Canada and the US.

Fighting for sharks: Director and documentary filmmaker Rob Stewart spent four years traveling the world as chief photographer for the Canadian Wildlife Federation's magazines. His film, Sharkwater, broke documentary box office records in Canada and the US.